diff --git a/.travis.yml b/.travis.yml
index 1d45456cc..7feb6842f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,7 @@
 sudo: true
 language: php
 php:
+- 8.0
 - 7.1
 - 7.2
 - 5.6
diff --git a/composer.json b/composer.json
index c6480e1ff..f93e1e319 100644
--- a/composer.json
+++ b/composer.json
@@ -9,12 +9,15 @@
     },
     "require-dev": {
         "squizlabs/php_codesniffer": "^2.2 || ^3.0.2",
-        "wimg/php-compatibility": "*"
+        "phpcompatibility/php-compatibility": "*"
     },
     "prefer-stable" : true,
     "minimum-stability": "dev",
     "config": {
-        "vendor-dir": "src/vendor"
+        "vendor-dir": "src/vendor",
+        "platform": {
+            "php": "7.2"
+        }
     },
     "scripts": {
         "post-install-cmd": "\"src/vendor/bin/phpcs\" --config-set installed_paths src/vendor/wimg/php-compatibility",
diff --git a/composer.lock b/composer.lock
index 281a6c9da..cdefe23ac 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "666f5355343e235ef29dd8eaae61ad43",
+    "content-hash": "977d4fe3cad3f53c6559a0cc2656dcc1",
     "packages": [
         {
             "name": "kornrunner/blurhash",
@@ -114,26 +114,26 @@
         },
         {
             "name": "smalot/pdfparser",
-            "version": "v0.17.1",
+            "version": "v0.18.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/smalot/pdfparser.git",
-                "reference": "dc1e42293e7774353003b754cce9c64dd9546c2d"
+                "reference": "b47f26425e32a814dc1ee55e3ce669b9e73b8458"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/smalot/pdfparser/zipball/dc1e42293e7774353003b754cce9c64dd9546c2d",
-                "reference": "dc1e42293e7774353003b754cce9c64dd9546c2d",
+                "url": "https://api.github.com/repos/smalot/pdfparser/zipball/b47f26425e32a814dc1ee55e3ce669b9e73b8458",
+                "reference": "b47f26425e32a814dc1ee55e3ce669b9e73b8458",
                 "shasum": ""
             },
             "require": {
                 "ext-zlib": "*",
                 "php": ">=5.6",
-                "symfony/polyfill-mbstring": "^1.18.1"
+                "symfony/polyfill-mbstring": "^1.18"
             },
             "require-dev": {
-                "friendsofphp/php-cs-fixer": "^2.16.3",
-                "symfony/phpunit-bridge": "^4.2.3"
+                "friendsofphp/php-cs-fixer": "^2.16",
+                "symfony/phpunit-bridge": "^5.2"
             },
             "type": "library",
             "autoload": {
@@ -160,20 +160,20 @@
                 "pdf",
                 "text"
             ],
-            "time": "2020-10-29T20:59:50+00:00"
+            "time": "2021-01-05T08:52:07+00:00"
         },
         {
             "name": "symfony/polyfill-mbstring",
-            "version": "v1.20.0",
+            "version": "v1.22.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/polyfill-mbstring.git",
-                "reference": "39d483bdf39be819deabf04ec872eb0b2410b531"
+                "reference": "f377a3dd1fde44d37b9831d68dc8dea3ffd28e13"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/polyfill-mbstring/zipball/39d483bdf39be819deabf04ec872eb0b2410b531",
-                "reference": "39d483bdf39be819deabf04ec872eb0b2410b531",
+                "url": "https://api.github.com/repos/symfony/polyfill-mbstring/zipball/f377a3dd1fde44d37b9831d68dc8dea3ffd28e13",
+                "reference": "f377a3dd1fde44d37b9831d68dc8dea3ffd28e13",
                 "shasum": ""
             },
             "require": {
@@ -185,7 +185,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-main": "1.20-dev"
+                    "dev-main": "1.22-dev"
                 },
                 "thanks": {
                     "name": "symfony/polyfill",
@@ -237,63 +237,12 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2020-10-23T14:02:19+00:00"
+            "time": "2021-01-07T16:49:33+00:00"
         }
     ],
     "packages-dev": [
         {
-            "name": "squizlabs/php_codesniffer",
-            "version": "3.5.8",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/squizlabs/PHP_CodeSniffer.git",
-                "reference": "9d583721a7157ee997f235f327de038e7ea6dac4"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/squizlabs/PHP_CodeSniffer/zipball/9d583721a7157ee997f235f327de038e7ea6dac4",
-                "reference": "9d583721a7157ee997f235f327de038e7ea6dac4",
-                "shasum": ""
-            },
-            "require": {
-                "ext-simplexml": "*",
-                "ext-tokenizer": "*",
-                "ext-xmlwriter": "*",
-                "php": ">=5.4.0"
-            },
-            "require-dev": {
-                "phpunit/phpunit": "^4.0 || ^5.0 || ^6.0 || ^7.0"
-            },
-            "bin": [
-                "bin/phpcs",
-                "bin/phpcbf"
-            ],
-            "type": "library",
-            "extra": {
-                "branch-alias": {
-                    "dev-master": "3.x-dev"
-                }
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "BSD-3-Clause"
-            ],
-            "authors": [
-                {
-                    "name": "Greg Sherwood",
-                    "role": "lead"
-                }
-            ],
-            "description": "PHP_CodeSniffer tokenizes PHP, JavaScript and CSS files and detects violations of a defined set of coding standards.",
-            "homepage": "https://github.com/squizlabs/PHP_CodeSniffer",
-            "keywords": [
-                "phpcs",
-                "standards"
-            ],
-            "time": "2020-10-23T02:01:07+00:00"
-        },
-        {
-            "name": "wimg/php-compatibility",
+            "name": "phpcompatibility/php-compatibility",
             "version": "9.3.5",
             "source": {
                 "type": "git",
@@ -348,8 +297,58 @@
                 "phpcs",
                 "standards"
             ],
-            "abandoned": "phpcompatibility/php-compatibility",
             "time": "2019-12-27T09:44:58+00:00"
+        },
+        {
+            "name": "squizlabs/php_codesniffer",
+            "version": "3.5.8",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/squizlabs/PHP_CodeSniffer.git",
+                "reference": "9d583721a7157ee997f235f327de038e7ea6dac4"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/squizlabs/PHP_CodeSniffer/zipball/9d583721a7157ee997f235f327de038e7ea6dac4",
+                "reference": "9d583721a7157ee997f235f327de038e7ea6dac4",
+                "shasum": ""
+            },
+            "require": {
+                "ext-simplexml": "*",
+                "ext-tokenizer": "*",
+                "ext-xmlwriter": "*",
+                "php": ">=5.4.0"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^4.0 || ^5.0 || ^6.0 || ^7.0"
+            },
+            "bin": [
+                "bin/phpcs",
+                "bin/phpcbf"
+            ],
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "3.x-dev"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Greg Sherwood",
+                    "role": "lead"
+                }
+            ],
+            "description": "PHP_CodeSniffer tokenizes PHP, JavaScript and CSS files and detects violations of a defined set of coding standards.",
+            "homepage": "https://github.com/squizlabs/PHP_CodeSniffer",
+            "keywords": [
+                "phpcs",
+                "standards"
+            ],
+            "time": "2020-10-23T02:01:07+00:00"
         }
     ],
     "aliases": [],
@@ -359,5 +358,8 @@
     "prefer-lowest": false,
     "platform": [],
     "platform-dev": [],
+    "platform-overrides": {
+        "php": "7.2"
+    },
     "plugin-api-version": "1.1.0"
 }